This project shows how the Arduino Uno R4 WiFi board can make controlling things in your home, by setting up a local web-Server.
UNO REV 4 Microcontroller Board - Arduino
ARDUINO UNO WiFi REV2 — Arduino Online Shop
Arduino R4 WiFi - Micro Robotics
Grove - Wio-E5 SenseCAP Cloud with Arduino Uno R4
Arduino UNO R4 WIFI Web-Server Based Home-Automation System. : 22 Steps - Instructables
Now Available at Mouser: Arduino UNO R4 for Industrial Automation and IoT Prototyping
Arduino Uno R4 WiFi Board: A Complete Guide to Wireless Connectivity
MQTT with the Arduino Uno R4 WiFi and EMQX
Introducing the Arduino UNO R4! - News - SparkFun Electronics
Arduino UNO R4 WiFi Qwiic Kit - SparkFun
KKSB Case for Arduino UNO R4 Minima and UNO R4 WiFi : Electronics
Introducing UNO R4 WiFi support in the Arduino Cloud